1. AFTON, A. D., AND S. L. PAULUS. 1992. Incubationand brood care. Pages 62-108 in Ecology and man-agement of breeding waterfowl (B. D. J. Batt, A.D. Afton, M. G. Anderson, C. D. Ankney, D. H.Johnson, J. A. Kadlec, and G. L. Krapu, Eds.).University of Minnesota Press, Minneapolis.AftonIncubation and brood care62Ecology and management of breeding waterfowl1992
2. ALISAUSKAS, R. T., AND C. D. ANKNEY. 1992. The costof egg laying and its relationship to nutrient re-serves in waterfowl. Pages 30-61 in Ecology andmanagement of breeding waterfowl (B. D. J. Batt,A. D. Afton, M. G. Anderson, C. D. Ankney, D.H. Johnson, J. A. Kadlec, and G. L. Krapu, Eds.).University of Minnesota Press, Minneapolis.AlisauskasThe cost of egg laying and its relationship to nutrient reserves in waterfowl30Ecology and management of breeding waterfowl1992